The application discloses a leg stretching device for orthopedics, and relates to the technical field of leg stretching for orthopedics, which comprises a backrest plate, a headrest block fixing block installed at the right middle end of the backrest plate, a headrest block installed at the top middle end of the headrest block fixing block, a controller installed at the top front side of the headrest block fixing block, and handles installed at the top front and rear middle ends of the backrest plate. The lifting supporting mechanism is arranged, so that the patient can use the leg stretching device for orthopedics more conveniently. The adjusting and fixing mechanism is arranged, so that the position of the leg is prevented from deviating during treatment, and the
treatment effect is not poor. The knee bending movement mechanism is arranged, so that the leg of the patient can be stretched and exercised, the
recovery time of the patient is shortened, the foot plate stretching mechanism is arranged, so that the patient can stretch the leg
ligament, the patient can comprehensively stretch the leg, and the leg stretching efficiency of the patient is improved.